Vulnerability · Published Oct 15, 2026 · Assigned by microsoft
CVE-2026-109468ASP.NET Core Denial of Service Vulnerability
High 7.5
In plain English
A high-severity resource allocation without limits in Microsoft Visual Studio 2022 version 17.14 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 38.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 – before 17.14.42 |
| Microsoft | Microsoft Visual Studio 2026 version 18.10 | 18.10.0 – before 18.10.4 |
| Microsoft | System.Formats.Cbor | 10.0.0 – before 10.0.13 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
References
- ASP.NET Core Denial of Service Vulnerability vendor-advisory, patch